The National Police Agency receives tens of thousands of complaints every year, but there is not much that can be done to stop it, since attackers are often anonymous.

VOA: standard.2010.03.30

But in your heart you know it can't be done by today.

但你心里清楚今天是不可能做完的。

I don't know 课堂 - SpeakingMax英语口语达人